154 lines
3.4 KiB
C++
154 lines
3.4 KiB
C++
/* Copyright (C) 2004-2019 J.F.Dockes
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "autoconfig.h"
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#include "wipedir.h"
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#include <stdio.h>
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#include <errno.h>
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#include <dirent.h>
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#include <cstring>
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#include <string>
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#include "log.h"
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#include "pathut.h"
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#ifdef _WIN32
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#include "safefcntl.h"
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#include "safeunistd.h"
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#include "safewindows.h"
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#include "safesysstat.h"
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#include "transcode.h"
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#define STAT _wstati64
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#define LSTAT _wstati64
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#define STATBUF _stati64
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#define ACCESS _waccess
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#define OPENDIR _wopendir
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#define CLOSEDIR _wclosedir
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#define READDIR _wreaddir
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#define DIRENT _wdirent
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#define DIRHDL _WDIR
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#define UNLINK _wunlink
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#define RMDIR _wrmdir
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#else // Not windows ->
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#define STAT stat
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#define LSTAT lstat
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#define STATBUF stat
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#define ACCESS access
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#define OPENDIR opendir
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#define CLOSEDIR closedir
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#define READDIR readdir
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#define DIRENT dirent
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#define DIRHDL DIR
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#define UNLINK unlink
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#define RMDIR rmdir
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#endif
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using namespace std;
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int wipedir(const string& dir, bool selfalso, bool recurse)
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{
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struct STATBUF st;
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int statret;
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int ret = -1;
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SYSPATH(dir, sysdir);
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statret = LSTAT(sysdir, &st);
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if (statret == -1) {
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LOGSYSERR("wipedir", "stat", dir);
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return -1;
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}
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if (!S_ISDIR(st.st_mode)) {
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LOGERR("wipedir: " << dir << " not a directory\n");
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return -1;
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}
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if (ACCESS(sysdir, R_OK|W_OK|X_OK) < 0) {
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LOGSYSERR("wipedir", "access", dir);
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return -1;
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}
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DIRHDL *d = OPENDIR(sysdir);
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if (d == 0) {
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LOGSYSERR("wipedir", "opendir", dir);
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return -1;
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}
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int remaining = 0;
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struct DIRENT *ent;
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while ((ent = READDIR(d)) != 0) {
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#ifdef _WIN32
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string sdname;
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if (!wchartoutf8(ent->d_name, sdname)) {
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continue;
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}
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const char *dname = sdname.c_str();
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#else
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const char *dname = ent->d_name;
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#endif
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if (!strcmp(dname, ".") || !strcmp(dname, ".."))
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continue;
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string fn = path_cat(dir, dname);
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SYSPATH(fn, sysfn);
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struct STATBUF st;
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int statret = LSTAT(sysfn, &st);
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if (statret == -1) {
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LOGSYSERR("wipedir", "stat", fn);
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goto out;
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}
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if (S_ISDIR(st.st_mode)) {
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if (recurse) {
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int rr = wipedir(fn, true, true);
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if (rr == -1)
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goto out;
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else
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remaining += rr;
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} else {
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remaining++;
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}
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} else {
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if (UNLINK(sysfn) < 0) {
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LOGSYSERR("wipedir", "unlink", fn);
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goto out;
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}
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}
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}
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ret = remaining;
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if (selfalso && ret == 0) {
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if (RMDIR(sysdir) < 0) {
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LOGSYSERR("wipedir", "rmdir", dir);
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ret = -1;
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}
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}
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out:
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if (d)
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CLOSEDIR(d);
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return ret;
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}
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